To Insert a Field While Entering or Editing a Text Element

With the Text Editor window open, open the Properties dialog.
Drag the desired property value (right-hand column) from the Properties dialog into the Text Editor window at the location within the text at which to insert the field.
Note: To access model and file properties, in the Properties dialog, right-click in the tree pane and choose Dialog Properties from the pop-up menu. Then set the Browse property to Model or File.